| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [modal v] [vb infin] | 1784 |
|
| 2 | [Wh adv] it [modal v] [vb infin] | 517 |
|
| 3 | [Wh adv] [adv] it [modal v] | 299 |
|
| 4 | [Wh adv] [adv] [modal v] [vb infin] | 12 |
|
